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25 Cards in this Set
- Front
- Back
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For the maintenance, service or repair of Small appliances, recovery equipment manufactured after _______________ must be certified by an EPA-approved organization A. July 1, 1992 B. August 12, 1992 C. January 1, 1995 D. November 15, 1993 |
D. November 15, 1993 |
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Which best describes the definition of type one "small appliance," as defined by SPA A. Systems manufactured, charged and hermetically sealed with five pounds or less of refrigerant B. Refrigerators, freezers, room air conditioners and central air conditioners C. Any appliance charged with more than five pounds of refrigerant D. Any appliance charged with less than two pounds of refrigerant |
A. Systems manufactured, charged and hermetically sealed with five pounds or less of refrigerant |
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For small appliance use, the recovery equipment manufactured after November 15, 1993, must be capable of recovering A. 80% of the refrigerant when the compressor is not operating or achieve a 4 inch vacuum under ARI 740-1993 B. 90% of the refrigerant when the compressor is operating or achieve a 4 inch vacuum under SRI 740-1993 C. 99% of the refrigerant regardless of the compressor operation and achieve a 10 inch vacuum under ARI 740-1993 D. A and B above |
D. A and B above |
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The sale of class one and class two refrigerants will be restricted to technician certified by an EPA-approved program after A. July 1, 1992 B. November 15, 1993 C. August 12, 1993 D. November 14, 1994 |
D. November 14, 1994 |
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The release of vapor from the top of a graduated charging cylinder, when filling, should A. Be vented to the atmosphere B. Be vented if the quantity does not exceed 3 pounds C. Not be vented and should be recovered D. Be vented, but not inhaled |
C. Not be vented and should be recovered |
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Should regulations of the clean air act (CAA) change after a technician is certified A. The technician must take a new test to be recertified B. All technicians who previously passed with an 80% will be grandfathered C. It will be the technicians responsibility to learn and comply with future changes in the law D. The technician must be retested and passed the exam with an 84% |
C. It will be the technicians responsibily to learning comply with future changes in the law |
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Containers of refrigerant R-134a are color coded A. Green B. White C. Yellow D. Light blue |
D. Light blue |
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System dependent (passive) refrigerant recovery of small appliances A. Do not require an operating compressorB. Requires 80% of the refrigerant to be recoveredC. Recovers refrigerant in a non-pressurize containerD. All of the above |
D. All of the above |
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Next refrigerants that are sent to reclaim centers A. Will be disposed of at the owners expense B. Can be reclaimed and resold C. Can be re-used in its current state D. Just need filtering |
A. Will be disposed of at the owners expense |
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Before disposing of a small appliance containing R-12, it is necessary to A. Pressurize with nitrogen B. Recover the refrigerant C. Turn upside down |
B. Recover the refrigerant |
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Hydrochloric an hydroflouric acids are A. Caused from CFCs or HCFCs in the presence of moisture being exposed to high heat B. Damaging to the windings found in hermetic refrigeration and air conditioning systems C. To be avoided when handling with bear hands D. All of the above |
D. All of the above |
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A system has been operating with a complete restriction at the capillary tube inlet, what access is required for recovery A. One access valve on the low side of the system B. Two access valves, high an low side of system C. One access valve on the high side of the system D. One access valve on the evaporator, and one on the low side |
C. One access valve on the high side of the system |
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Which of the following refrigerants can be mixed A. R-12 and R-134a B. R-12 and R-11 C. R-22 and R-502 D. None of the above |
D. None of the above |
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CFC and HCFC refrigerants can cause suffocation because they contain A. Acidic substances B. They are heavier than air and displace oxygen C. They are lighter than air and will rise D. They smell terrible preventing you from breathing |
B. They are heavier than air and displace oxygen |
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A nitrogen tank should always be equipped with a A. Pressure regulator B. Evaporator pressure regulator C. A low loss fitting D. An air purger |
A. Pressure regulator |
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Nitrogen use for braising processes, or leak checking A. Must be recovered B. Should not be used; it will saturate the system with moisture C. May be vented to the atmosphere D. Could be recovered passively |
C. Maybe vented to the atmosphere |
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Line tapping and piercing valves should always be removed from systems after the repairs are completed because A. They restrict the flow of refrigerant B. They are costly C. The neoprene gaskets will eventually fail causing a leak D. They destroy the appearance |
C. I neoprene gaskets will eventually fail causing a leak |
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CFCs will not be manufactured in United States after A. 2000 B. 1995 C. 2005 D. 1996 |
B. 1995 |
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The law states that leaks in small appliances A. Must be repaired B. Be repaired if the system contains more than five pounds of refrigerant C. Do not have to be repaired, but should be repaired D. Be repaired if the leak rate exceeds two pounds a year |
C. Do not have to be repaired, but should be repaired |
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To work on small appliances after November 14, 1993, a technician must be certified as A. Type 1 B. Type 2 C. Universal D. A or B above |
D. A or C above |
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The required aperture typically found on small appliance systems is A. The three-way service valve B. The process stub C. The schrader valve D. The door handle |
B. The process stub |
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Packaged terminal heat pumps with less than 5 pounds of refrigerant must be service by certified A. Technicians with type 1 B. Technicians with type 2 C. Technicians with type 3 D. Technicians with type 2, or 3 |
A. Technicians with type 1 |
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Which refrigerants have a "0" OPD A. CFC B. HCFC C. HTC D. All of the above |
C. HFC |
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Disposable refrigerant cylinders should be disposed of by A. Rendering useless and sent to salvage B. Taking to the service station and using for an air tank C. Recovery cylinder D. Refill with other refrigerants |
A. Rendering useless and sent to salvage |
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Which refrigerant is a strong candidates or replacing CFC (R-12) in small appliances A. R-22 B. R-502 C. R-123 D. R-134a |
D. R-134a |
